Extracted

• • Target

    Umbral.exe

  • Size

    229KB

  • MD5

    5ef325936584fbe65e97c89d5787b22b

  • SHA1

    fbe3db5453a683a05c140de6a48169c683ffdb68

  • SHA256

    b40b8ae2d3083f53ce18753b29592ba542865938295c4d656ecc649c6038d57b

  • SHA512

    62db38a9449a7e6bdb0fe26228df1a2a8c9f62a05a28aff043b0e40e0eb2ae91ffc7d765b9fcfd74e981e413ab732f54545fb40ffe7ff0904993ba61fa4c00ad

  • SSDEEP

    6144:lloZM+rIkd8g+EtXHkv/iD4AiblAmB5K9/Cwhl0B9b8e1mJi:noZtL+EP8AiblAmB5K9/Cwhl0z3

  Score

  10^/10

  umbraldiscoveryexecutionspywarestealer

  • Detect Umbral payload

  • Umbral

    Umbral stealer is an opensource moduler stealer written in C#.

    stealerumbral

  • Umbral family

    umbral

  • Command and Scripting Interpreter: PowerShell

    Using powershell.exe command.

    execution

  • Command and Scripting Interpreter: PowerShell

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    execution

  • Drops file in Drivers directory

  • Deletes itself

  • Reads user/profile data of web browsers

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer

  • Legitimate hosting services abused for malware hosting/C2

  • Looks up external IP address via web service

    Uses a legitimate IP lookup service to find the infected system's external IP.

  behavioral1behavioral2